Base of bracket



FIG. 1 is a front, right, and top perspective view of a base of bracket, showing my new design;

FIG. 2 is a rear, left, and bottom perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is a front and top perspective view of the base of bracket of FIG. 1 in a use state.

The broken lines depict portions of the base of bracket that form no part of the claimed design. 

CLAIM The ornamental design for a base of bracket, as shown and described. 